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Pediatric Airway Pathology Series: Tracheomalacia, Subglottic and Tracheal Stenosis

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1.  According to Bernouilli's principle, normal respiratory effort generates appromixately _______ mm Hg.
  1. +/- 3
  2. +/- 5
  3. +/- 7
  4. +/- 9
2.  The cricoid diameter of a neonatal glottis is between:
  1. 1.0 to 1.5 mm
  2. 2.0 to 2.5 mm
  3. 3.0 to 3.5 mm
  4. 4.5 to 5.0 mm
3.  Symptoms for tracheomalacia, subglottic and tracheal stenosis at the moderate level include:
  1. Stagnant weight
  2. Mild increased work of breathing
  3. Occasional obstruction/ mild cyanosis
  4. All of the above
4.  Treatment options for tracheomalacia, subglottic and tracheal stenosis may include:
  1. Tracheal resection
  2. Anterior cartilage graft
  3. Posterior cartilage graft
  4. All of the above
5.  A laryngotracheoplasty is an upper airway reconstructive procedure involving which anatomical areas of subglottic and tracheal stenosis?
  1. Anterior
  2. Posterior
  3. Both anterior and posterior
  4. All of the above